4324520 has 32 divisors (see below), whose sum is σ = 9870120. Its totient is φ = 1704960.

The previous prime is 4324519. The next prime is 4324543. The reversal of 4324520 is 254234.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 872356 = 1858^2 + 934^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4324492 and 4324501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180 + ... + 3660.

Almost surely, 2^4324520 is an apocalyptic number.

4324520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4324520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4935060).

4324520 is an abundant number, since it is smaller than the sum of its proper divisors (5545600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4324520 is a wasteful number, since it uses less digits than its factorization.

4324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4324520 is about 2079.5480278176. The cubic root of 4324520 is about 162.9218388987.

Adding to 4324520 its reverse (254234), we get a palindrome (4578754).

It can be divided in two parts, 43245 and 20, that multiplied together give a square (864900 = 930²).

The spelling of 4324520 in words is "four million, three hundred twenty-four thousand, five hundred twenty".